<?php
 /**
 　* get  curlOpen('www.baidu.com?act=2')
   *  post curlOpen('www.baidu.com',array('post'=>['name'=>'aa','age'=>1]))
  *  $config['proxy']='192.168.1.1' 代理ip
    *  $config['ssl'] = true;  https
   *  $config['header']['ip'] = '255.255.255.1'  伪造ip
  *  $config['cookie'] =  cookie文件  模拟登录时用到
   *  $config['referer']  
   * $config['file'] = 绝对路径  $config['postname'] = 要上传图片的name  $config['isupfile'] = true;  模拟表单上传文件
  */
  function getCurl($url, $config = array())
 {
     $arr = array('file'=>'','postname'=>'','post' => false,'referer' => $url,'cookie' => '', 'useragent' => 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506; customie8)', 'connectout'=>3, 'timeout' => 10, 'return' => true, 'proxy' => '', 'userpwd' => '', 'nobody' => false,'header'=>array(),'gzip'=>true,'ssl'=>false,'isupfile'=>false,'returnheader'=>false);
     $arr = array_merge($arr, $config);
     $ch = curl_init();
     
     curl_setopt($ch, CURLOPT_URL, $url);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, $arr['return']);
     curl_setopt($ch, CURLOPT_NOBODY, $arr['nobody']);  
     curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
     curl_setopt($ch, CURLOPT_USERAGENT, $arr['useragent']);
     curl_setopt($ch, CURLOPT_REFERER, $arr['referer']);
     curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $arr['connectout']);
       curl_setopt($ch, CURLOPT_TIMEOUT, $arr['timeout']);
       curl_setopt($ch, CURLOPT_HEADER, $arr['returnheader']);
    if($arr['gzip']) curl_setopt($ch, CURLOPT_ENCODING, 'gzip,deflate');
    
　　　　if(!empty($arr['file']) && !empty($arr['postname']))
　　　　{
   　　　　 $curl_file = curl_file_create($arr['file'],'image/jpeg');
 　　　　   $arr['post'][$arr['postname']] = $curl_file;
　　　　}
　　　　
　　　　if($arr['ssl'])
   　　{
        　curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        　curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
   　　}
      if(!empty($arr['cookie']))
      {
         if(substr($arr['cookie'], -4) == '.txt'){
            curl_setopt($ch, CURLOPT_COOKIEJAR, $arr['cookie']);
            curl_setopt($ch, CURLOPT_COOKIEFILE, $arr['cookie']);
        }else{
            curl_setopt($ch, CURLOPT_COOKIE, $arr['cookie']);
        }
      }
      if(!empty($arr['proxy']))
      {
          curl_setopt ($ch, CURLOPT_PROXY, $arr['proxy']);
          if(!empty($arr['userpwd']))
          {
              curl_setopt($ch,CURLOPT_PROXYUSERPWD,$arr['userpwd']);
          }
      }
      if(!empty($arr['header']['ip']))
      {
          array_push($arr['header'],'X-FORWARDED-FOR:'.$arr['header']['ip'],'CLIENT-IP:'.$arr['header']['ip']);
          unset($arr['header']['ip']);
      }
      $arr['header'] = array_filter($arr['header']);
      if(!empty($arr['header']))
      {
          curl_setopt($ch, CURLOPT_HTTPHEADER, $arr['header']);
      }
      if ($arr['post'] != false)
      {
          curl_setopt($ch, CURLOPT_POST, true);
          if(is_array($arr['post']) && $arr['isupfile'] === false)
          {
              $post = http_build_query($arr['post']);
          }else{
              $post = $arr['post'];
          }
          curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
      }
      $result = curl_exec($ch);
      curl_close($ch);
      return $result;
}


getCurl("https://www.baidu.com/")